Football helmet



FIG. 1 is a perspective view of a football helmet showing my new design;

FIG. 2 is a left side view of the helmet of FIG. 1;

FIG. 3 is a right side view of the helmet of FIG. 1;

FIG. 4 is a front view of the helmet of FIG. 1;

FIG. 5 is a top view of the helmet of FIG. 1; and,

FIG. 6 is a bottom view of the helmet of FIG. 1.

The broken lines in FIGS. 1-6 represent boundary lines and unclaimed details that form no part of the claimed design. 

CLAIM I claim the ornamental design for a football helmet, as shown and described. 